Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge press the button to lauch the Calgary Stampede on July 8, 2011 in Calgary, Canada. The newly married Royal Couple are on the eighth day of their first joint overseas tour. The 12 day visit to North America is taking in some of the more remote areas of the country such as Prince Edward Island, Yellowknife and Calgary. The Royal couple started off their tour by joining millions of Canadians in taking part in Canada Day celebrations which mark Canada's 144th Birthday.
(July 07, 2011 - Source: Chris Jackson/Getty Images North America)
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